Frame for shelves



FIG. 1 is a top perspective view of a design for a frame for shelves;

FIG. 2 is the top perspective view without environmental elements blocking a view thereof;

FIG. 3 is a bottom perspective view of the design;

FIG. 4 is the bottom perspective view without environmental elements blocking a view thereof;

FIG. 5 is a left side view thereof mirrored on the right side;

FIG. 6 is the left side view without environmental elements blocking a view thereof;

FIG. 7 is a front side view thereof;

FIG. 8 is the front side view without environmental elements blocking a view thereof;

FIG. 9 is a back side view thereof;

FIG. 10 is the back side view without environmental elements blocking a view thereof;

FIG. 11 is a top plan view thereof;

FIG. 12 is the top plan view without environmental elements blocking a view thereof;

FIG. 13 is a bottom plan view thereof; and,

FIG. 14 is the bottom plan view without environmental elements blocking a view thereof.

The dashed lines in the drawings are shown for environmental purposes and form no part of the claimed design. 

The ornamental design for a frame for shelves, as shown and described. 